Web: Sharing a song should be simple. If you are listening to a track on Spotify, you should be able to share it with a friend easily, without them needing to be a Spotify user. Bop.fm makes this possible by cross-linking songs between different services, so that if you share a Spotify link with someone who isn't a… »12/15/13 7:00am 12/15/13 7:00am